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| author | Nikos Mavrogiannopoulos <nmav@redhat.com> | 2017-03-03 16:18:44 +0100 |
|---|---|---|
| committer | Nikos Mavrogiannopoulos <nmav@gnutls.org> | 2017-03-07 22:06:46 +0100 |
| commit | ef1fc57d142b56071c6191dd89f739c62e369ddb (patch) | |
| tree | 06f47ebf4d5785b4e463c1967ea86278d98a9396 | |
| parent | 24525a35386d184e56f27ff29740eb8a60022c52 (diff) | |
| download | gnutls-ef1fc57d142b56071c6191dd89f739c62e369ddb.tar.gz | |
ext/signature: reject an extension size of zero
Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>
| -rw-r--r-- | lib/ext/signature.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/ext/signature.c b/lib/ext/signature.c index 96b97cef94..795f149182 100644 --- a/lib/ext/signature.c +++ b/lib/ext/signature.c @@ -128,7 +128,7 @@ _gnutls_sign_algorithm_parse_data(gnutls_session_t session, sig_ext_st *priv; extension_priv_data_t epriv; - if (data_size % 2 != 0) + if (data_size == 0 || data_size % 2 != 0) return gnutls_assert_val(GNUTLS_E_UNEXPECTED_PACKET_LENGTH); priv = gnutls_calloc(1, sizeof(*priv)); |